20456816640

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 480

約数和(自身を含む): 74425653120

約数和(自身を除く): 53968836480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 128, 130, 152, 156, 160, 190, 192, 195, 208, 228, 240, 247, 256, 260, 285, 304, 312, 320, 337, 380, 384, 390, 416, 456, 480, 494, 512, 520, 570, 608, 624, 640, 674, 741, 760, 768, 780, 832, 912, 960, 988, 1011, 1024, 1040, 1140, 1216, 1235, 1248, 1280, 1348, 1482, 1520, 1536, 1560, 1664, 1685, 1824, 1920, 1976, 2022, 2048, 2080, 2280, 2432, 2470, 2496, 2560, 2696, 2964, 3040, 3072, 3120, 3328, 3370, 3648, 3705, 3840, 3952, 4044, 4096, 4160, 4381, 4560, 4864, 4940, 4992, 5055, 5120, 5392, 5928, 6080, 6144, 6240, 6403, 6656, 6740, 7296, 7410, 7680, 7904, 8088, 8192, 8320, 8762, 9120, 9728, 9880, 9984, 10110, 10240, 10784, 11856, 12160, 12288, 12480, 12806, 13143, 13312, 13480, 14592, 14820, 15360, 15808, 16176, 16384, 16640, 17524, 18240, 19209, 19456, 19760, 19968, 20220, 20480, 21568, 21905, 23712, 24320, 24576, 24960, 25612, 26286, 26624, 26960, 29184, 29640, 30720, 31616, 32015, 32352, 33280, 35048, 36480, 38418, 38912, 39520, 39936, 40440, 40960, 43136, 43810, 47424, 48640, 49152, 49920, 51224, 52572, 53248, 53920, 58368, 59280, 61440, 63232, 64030, 64704, 65715, 66560, 70096, 72960, 76836, 77824, 79040, 79872, 80880, 81920, 83239, 86272, 87620, 94848, 96045, 97280, 99840, 102448, 105144, 106496, 107840, 116736, 118560, 122880, 126464, 128060, 129408, 131430, 133120, 140192, 145920, 153672, 155648, 158080, 159744, 161760, 166478, 172544, 175240, 189696, 192090, 194560, 199680, 204896, 210288, 212992, 215680, 233472, 237120, 245760, 249717, 252928, 256120, 258816, 262860, 266240, 280384, 291840, 307344, 311296, 316160, 319488, 323520, 332956, 345088, 350480, 379392, 384180, 389120, 399360, 409792, 416195, 420576, 431360, 466944, 474240, 499434, 505856, 512240, 517632, 525720, 532480, 560768, 583680, 614688, 632320, 638976, 647040, 665912, 690176, 700960, 758784, 768360, 778240, 798720, 819584, 832390, 841152, 862720, 933888, 948480, 998868, 1011712, 1024480, 1035264, 1051440, 1064960, 1121536, 1167360, 1229376, 1248585, 1264640, 1294080, 1331824, 1380352, 1401920, 1517568, 1536720, 1556480, 1597440, 1639168, 1664780, 1682304, 1725440, 1896960, 1997736, 2023424, 2048960, 2070528, 2102880, 2243072, 2334720, 2458752, 2497170, 2529280, 2588160, 2663648, 2760704, 2803840, 3035136, 3073440, 3194880, 3278336, 3329560, 3364608, 3450880, 3793920, 3995472, 4046848, 4097920, 4141056, 4205760, 4486144, 4669440, 4917504, 4994340, 5058560, 5176320, 5327296, 5521408, 5607680, 6070272, 6146880, 6556672, 6659120, 6729216, 6901760, 7587840, 7990944, 8195840, 8282112, 8411520, 8972288, 9835008, 9988680, 10117120, 10352640, 10654592, 11215360, 12140544, 12293760, 13113344, 13318240, 13458432, 13803520, 15175680, 15981888, 16391680, 16564224, 16823040, 17944576, 19670016, 19977360, 20234240, 20705280, 21309184, 22430720, 24587520, 26226688, 26636480, 26916864, 27607040, 30351360, 31963776, 32783360, 33646080, 35889152, 39340032, 39954720, 41410560, 42618368, 44861440, 49175040, 52453376, 53272960, 53833728, 60702720, 63927552, 65566720, 67292160, 71778304, 78680064, 79909440, 82821120, 85236736, 89722880, 98350080, 104906752, 106545920, 107667456, 127855104, 131133440, 134584320, 157360128, 159818880, 170473472, 179445760, 196700160, 213091840, 215334912, 255710208, 262266880, 269168640, 314720256, 319637760, 340946944, 358891520, 393400320, 426183680, 511420416, 524533760, 538337280, 639275520, 681893888, 786800640, 852367360, 1022840832, 1076674560, 1278551040, 1363787776, 1573601280, 1704734720, 2045681664, 2557102080, 3409469440, 4091363328, 5114204160, 6818938880, 10228408320, 20456816640]

約数ペア:

[(1, 20456816640), (2, 10228408320), (3, 6818938880), (4, 5114204160), (5, 4091363328), (6, 3409469440), (8, 2557102080), (10, 2045681664), (12, 1704734720), (13, 1573601280), (15, 1363787776), (16, 1278551040), (19, 1076674560), (20, 1022840832), (24, 852367360), (26, 786800640), (30, 681893888), (32, 639275520), (38, 538337280), (39, 524533760), (40, 511420416), (48, 426183680), (52, 393400320), (57, 358891520), (60, 340946944), (64, 319637760), (65, 314720256), (76, 269168640), (78, 262266880), (80, 255710208), (95, 215334912), (96, 213091840), (104, 196700160), (114, 179445760), (120, 170473472), (128, 159818880), (130, 157360128), (152, 134584320), (156, 131133440), (160, 127855104), (190, 107667456), (192, 106545920), (195, 104906752), (208, 98350080), (228, 89722880), (240, 85236736), (247, 82821120), (256, 79909440), (260, 78680064), (285, 71778304), (304, 67292160), (312, 65566720), (320, 63927552), (337, 60702720), (380, 53833728), (384, 53272960), (390, 52453376), (416, 49175040), (456, 44861440), (480, 42618368), (494, 41410560), (512, 39954720), (520, 39340032), (570, 35889152), (608, 33646080), (624, 32783360), (640, 31963776), (674, 30351360), (741, 27607040), (760, 26916864), (768, 26636480), (780, 26226688), (832, 24587520), (912, 22430720), (960, 21309184), (988, 20705280), (1011, 20234240), (1024, 19977360), (1040, 19670016), (1140, 17944576), (1216, 16823040), (1235, 16564224), (1248, 16391680), (1280, 15981888), (1348, 15175680), (1482, 13803520), (1520, 13458432), (1536, 13318240), (1560, 13113344), (1664, 12293760), (1685, 12140544), (1824, 11215360), (1920, 10654592), (1976, 10352640), (2022, 10117120), (2048, 9988680), (2080, 9835008), (2280, 8972288), (2432, 8411520), (2470, 8282112), (2496, 8195840), (2560, 7990944), (2696, 7587840), (2964, 6901760), (3040, 6729216), (3072, 6659120), (3120, 6556672), (3328, 6146880), (3370, 6070272), (3648, 5607680), (3705, 5521408), (3840, 5327296), (3952, 5176320), (4044, 5058560), (4096, 4994340), (4160, 4917504), (4381, 4669440), (4560, 4486144), (4864, 4205760), (4940, 4141056), (4992, 4097920), (5055, 4046848), (5120, 3995472), (5392, 3793920), (5928, 3450880), (6080, 3364608), (6144, 3329560), (6240, 3278336), (6403, 3194880), (6656, 3073440), (6740, 3035136), (7296, 2803840), (7410, 2760704), (7680, 2663648), (7904, 2588160), (8088, 2529280), (8192, 2497170), (8320, 2458752), (8762, 2334720), (9120, 2243072), (9728, 2102880), (9880, 2070528), (9984, 2048960), (10110, 2023424), (10240, 1997736), (10784, 1896960), (11856, 1725440), (12160, 1682304), (12288, 1664780), (12480, 1639168), (12806, 1597440), (13143, 1556480), (13312, 1536720), (13480, 1517568), (14592, 1401920), (14820, 1380352), (15360, 1331824), (15808, 1294080), (16176, 1264640), (16384, 1248585), (16640, 1229376), (17524, 1167360), (18240, 1121536), (19209, 1064960), (19456, 1051440), (19760, 1035264), (19968, 1024480), (20220, 1011712), (20480, 998868), (21568, 948480), (21905, 933888), (23712, 862720), (24320, 841152), (24576, 832390), (24960, 819584), (25612, 798720), (26286, 778240), (26624, 768360), (26960, 758784), (29184, 700960), (29640, 690176), (30720, 665912), (31616, 647040), (32015, 638976), (32352, 632320), (33280, 614688), (35048, 583680), (36480, 560768), (38418, 532480), (38912, 525720), (39520, 517632), (39936, 512240), (40440, 505856), (40960, 499434), (43136, 474240), (43810, 466944), (47424, 431360), (48640, 420576), (49152, 416195), (49920, 409792), (51224, 399360), (52572, 389120), (53248, 384180), (53920, 379392), (58368, 350480), (59280, 345088), (61440, 332956), (63232, 323520), (64030, 319488), (64704, 316160), (65715, 311296), (66560, 307344), (70096, 291840), (72960, 280384), (76836, 266240), (77824, 262860), (79040, 258816), (79872, 256120), (80880, 252928), (81920, 249717), (83239, 245760), (86272, 237120), (87620, 233472), (94848, 215680), (96045, 212992), (97280, 210288), (99840, 204896), (102448, 199680), (105144, 194560), (106496, 192090), (107840, 189696), (116736, 175240), (118560, 172544), (122880, 166478), (126464, 161760), (128060, 159744), (129408, 158080), (131430, 155648), (133120, 153672), (140192, 145920)]